1,954 Answered Questions for the topic linear algebra

Linear Algebra Math

10/21/22

Complex Number Conditions
Find all the complex numbers z1, z2, z3 that satisfy the three following conditions simultaneously.|z1| = |z2| = |z3|z1 + z2 + z3 = 1z1z2z3 = 1I'm a high school student and this was the final... more
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Linear Algebra

10/20/22

find an equation for the line that passes through the points (-1,-5) and (5,-2)
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Linear Algebra

10/19/22

Is the set of rational numbers with the usual definitions for addition and scalar multiplication a vector space? Explain
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Linear Algebra

10/17/22

linear system and solve
The sum of two integers is 62. The larger is 17 more than four times the smaller. Find the two integers.
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Linear Algebra

10/16/22

HI PLS HELP! ! !

The midpoint M of a line segment PQ has the coordinates (5, 4). If the coordinates of P are (1, -6), find the coordinates of Q.is there a certain formula to solve this? if so, please explain well... more
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Linear Algebra

10/13/22

Linear rotation

What is a 3 by 3 matrix that will rotate points 60 degrees around the points (-2,3)?
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Linear Algebra

10/13/22

9 numbers that have an average of 8
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Linear Algebra Math Algebra 1 Algebra 2

10/12/22

Suppose f(x) is a quadratic function with only one root at x=−5 and y-intercept (0,75). Write the equation for this function.
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Linear Algebra Algebra 1 Algebra 2 Calculus

10/12/22

Suppose f(x) is a quadratic function with only one root at x=2 and goes through the point (1,3). Write the equation for this function.
help.
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Linear Algebra

10/12/22

Find a linear function, f, given f(15)=0 and f(-5)=-4. Then find f(0).
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Linear Algebra Math Algebra 1 Algebra 2

10/12/22

f(x)=9(x+16)^2+13 Find f(3a+9)=
Help...I will give you a 5 star review if you show me how to do this problem.
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Linear Algebra

10/12/22

Formulate and solve systems of three linear equations in three variables using elimination

A farmer rotates wheat, corn, soybean crops on her farm. The farmer produces 293 bushels of produce and sells them for a total of $1557. Wheat costs $8 a bushel. Corn costs $4 a bushel. Soybeans... more
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Linear Algebra

10/12/22

Find the inverse of the function on the given domain.

f(x)=(x-1)^2, [1, infinity)I am looking for the inverse.f^1(x)=_____________________
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Linear Algebra

10/11/22

Find f(f(x)) if f ( x ) =9x-8 and fully simplify.
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Linear Algebra Math Calculus Mathematica

10/06/22

transition matrix

B = {2 - 9x, 1 - 4x}C = {3x - 2, 3x - 3}for the vector space P2E = {1, x}Find the transition matrix from C to B= ???
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10/06/22

Using least squares data fitting on a spiral inductor, long process with little knowledge on how to even tackle a problem like this
Approximate inductance formula. A planar spiral inductor, implemented in CMOS, for use in RF circuits.The inductor is characterized by four key parameters:• 𝑛, the number of turns (which is a... more
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Linear Algebra

10/04/22

Word problem for algebra

Mary, the owner of Vitallo's Pizza Parlor, had start-up costs of $5700. The ingredients foreach pizza cost $4.75, and she sells each pizza for $8. She has no other expenses. Expressthe cost C as a... more
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Linear Algebra

10/04/22

solve the matrix equation for x
solve the matrix equation for xx[ -1 0 1 1 1 0 3 1 -1 ]=[1 3 0-7 1 10]
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Linear Algebra

10/04/22

heeeeeeeeeeeeeeeey
given that 5x+1/3 and 5x-4/2 are two consecutive numbers in ascending order. find the product of the two numbers.
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Linear Algebra

10/04/22

pls help within 24 hrs
sarah ran 18 km at x km/h while fiona cycled at four times sarah's running speed for 75 km. if fiona took 6 minutes more to complete her training find value of x.
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Linear Algebra

10/03/22

linear algebra 231
A= [ 2 5 4 8 ]find p(A) p(A)= x3-2x+4
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Linear Algebra

10/03/22

LINEAR algebra 231
Assuming all matrices are nxn and invertible solve for D BCAT DCBT A= BCT  
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Linear Algebra

10/03/22

Verify the identities (assume all indicated operations are defined)
a) (A^−1+B^−1)^−1=A(A+B)^−1Bb) (A+BB^T)^−1B =A^−1B(I +B^TA^−1B)^−1
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Linear Algebra

10/02/22

hellooooo help !!
multiply a number by 3 and subtract 40 from it. this yields the same outcome as the sum of 1/2 of the number and 100. find the number.idk how to do the last part it's confusing me
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Linear Algebra

10/02/22

slope intercept form
find the equation of the line parallel to y=3x-2 that passes through points (4,8) in slope intercept form
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